28151860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{11633}}^1$

素因数の和:11664

約数の個数: 36

約数和(自身を含む): 64987524

約数和(自身を除く): 36835664

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 11633, 23266, 46532, 58165, 116330, 127963, 232660, 255926, 511852, 639815, 1279630, 1407593, 2559260, 2815186, 5630372, 7037965, 14075930, 28151860]

約数ペア:

[(1, 28151860), (2, 14075930), (4, 7037965), (5, 5630372), (10, 2815186), (11, 2559260), (20, 1407593), (22, 1279630), (44, 639815), (55, 511852), (110, 255926), (121, 232660), (220, 127963), (242, 116330), (484, 58165), (605, 46532), (1210, 23266), (2420, 11633)]